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Medscape Medical News > Conference News > ASLMS 2024 >




STUDY DEMONSTRATES FASTER RECOVERY, LESS PAIN AFTER FACIAL RESURFACING WITH
2910-NM LASER

Richard Mark Kirkner

April 22, 2024

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BALTIMORE — A 2910-nm erbium-doped fluoride glass fiber laser, approved 2 years
ago by the US Food and Drug Administration, has demonstrated a high degree of
improvement for facial photoaging and rhytides along with relatively high rates
of patient satisfaction — while causing less discomfort and downtime compared
with conventional fractional lasers, a small single-center study showed. 

The study enrolled 15 patients who had three treatment sessions with the 2910-nm
laser. "It's highly customizable," the study's lead author, Taryn Murray, MD, a
dermatologist at Cleveland Clinic, Cleveland, Ohio, told Medscape Dermatology.
"It has a really fast time in healing compared to traditional abatable lasers;
the healing time is five to seven days vs several weeks." Murray presented the
results at the annual meeting of the American Society for Laser Medicine and
Surgery.


THE TECHNOLOGY BEHIND THE LASER

The 2910-nm erbium-doped fluoride glass fiber laser is a mid-infrared ablative
fractional device that operates at peak water absorption. It's designed to cause
minimal residual thermal damage, resulting in less discomfort, shorter downtime,
and potentially fewer side effects than conventional ablative lasers, Murray
said. 





Because of the way the pulses are delivered, "it's far less painful than
traditional fractional ablative lasers, so you can use mainly topical numbing;
you don't need nerve blocks, you don't have to infiltrate lidocaine, you don't
have to put the patient under anesthesia," she said.

"Because of the wavelength, how pulses are delivered and how customizable the
settings are, it's safer to use in darker skin types," and the density, depth,
and the amount of coagulation applied into the skin are customizable, Murray
added. 

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The laser also delivers pulses in a different way than the conventional 2940-nm
erbium and CO2 lasers, she explained. "Traditional lasers do it all in one
pulse. This laser uses micropulses with relaxation time in between pulses, so
the body interprets it as less painful and allows pressure and steam to escape
out of the channel, which results in faster healing."




The study patients had topical anesthetic cream applied to their faces 45-60
minutes before the procedure. Multiple passes were made using both superficial
and deep laser modes. The average patient age was 65.7 years, and Fitzpatrick
skin types included I (n = 3), II (n = 3), III (n = 7) and IV (n = 2). On a
scale of 0-10, the average level of discomfort was 4.9, and the average patient
satisfaction after three treatments was 4.8, Murray said.

For cosmetic improvement, the study used the 5-point Global Aesthetic
Improvement Scale (GAIS). Blinded reviewers evaluated digital images and
determined an average GAIS score of 3.2 for overall appearance, 2.9 for
wrinkles, 3.6 for pigment, 3.1 for skin texture, and 2.6 for skin laxity. 

When the patients themselves reviewed the digital images, the average GAIS score
was 3.8 for overall appearance. 




Side effects, said Murray, were transient, with edema and soft-tissue crusting
lasting 3-5 days and erythema resolving in 1-2 weeks on average. One case of
postinflammatory hyperpigmentation (PIH) did arise, which was linked to allergic
contact dermatitis from the healing ointment. That patient stayed in the study
and had complete resolution of the PIH.




STUDY STANDS OUT

A number of studies of the 2910-nm erbium-doped fluoride glass fiver laser have
emerged over the past half year, Rita Swali, MD, an American Society of
Dermatologic Surgery fellow at the Dermatology and Laser Surgery Center, and the
University of Texas Health at Houston, said in an interview at the meeting. But
this one stands out because of the evidence surrounding its use.

Most people are using this laser for facial resurfacing, "and we want to know
that we have a technology…with shorter downtime and easier wound care and just
more comfort," she said.

She noted that with conventional lasers, most patients get nerve blocks and some
even opt for general anesthesia. "To be able to do the levels of facial
resurfacing [Murray] is doing without having to do all of that pain management
is pretty amazing," Swali added.



The speed of the procedure and the relatively short downtime are also
noteworthy, she said. "The huge advantage is having so much less pain from the
procedure itself, so you're able to do it faster because they're tolerating it
so well and you're not having to take breaks," she said. 

As for downtime, Swali added, "these patients are coming in on a Thursday and
they are back up and running by Monday," as opposed to weeks that is typical
with a conventional laser. This laser platform also avoids the pigmentation
problems that can come with continuing and aggressive treatment with
conventional lasers, she said. 

Murray disclosed relationships with Acclaro Medical, the manufacturer of the
laser. Swali has no relationships to disclose.

Richard Mark Kirkner is a medical journalist based in the Philadelphia area.


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Lead image: Stone/Getty Images
Medscape Medical News © 2024 WebMD, LLC


Send comments and news tips to news@medscape.net.

Cite this: Study Demonstrates Faster Recovery, Less Pain After Facial
Resurfacing With 2910-nm Laser - Medscape - April 22, 2024.

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